Click the Exhibit button. Within an ONS 15454, you are provisioning a circuit on an unprotected UPSR ring. In the exhibit, which two must you configure?() (Choose two.)<br /> <img src="https://nimg.ppkao.com/2018-08/yuanhao/2018080113444978502.jpg?sign=85c2e7bde6d9356a91673538a59a7e12&t=62d07e5c" />
A、revertive
B、circuit type
C、circuit size
D、bidirectional
E、protected drops
F、switch on PDI-P